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Database: 189760 (18 Oct 2025)
JB/T 7122-2024 English PDF
JB/T 7122: Evolution and historical versions
Standard ID
Contents [version]
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Standard Title (Description)
Status
PDF
JB/T 7122-2024
English
RFQ
ASK
3 days [Need to translate]
(Basic requirements for AC vacuum contactors)
Valid
JB/T 7122-2024
JB/T 7122-2007
English
1159
Add to Cart
5 days [Need to translate]
General requirements for alternating current vacuum contactor
Obsolete
JB/T 7122-2007
JB/T 7122-1993
English
RFQ
ASK
6 days [Need to translate]
(AC vacuum contactor basic requirements)
Obsolete
JB/T 7122-1993
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Basic data
Standard ID
JB/T 7122-2024 (JB/T7122-2024)
Description (Translated English)
(Basic requirements for AC vacuum contactors)
Sector / Industry
Mechanical & Machinery Industry Standard (Recommended)
Classification of Chinese Standard
K32
Classification of International Standard
29.130.20
Date of Issue
2024-03-29
Date of Implementation
2024-10-01
Older Standard (superseded by this standard)
JB/T 7122-2007
Issuing agency(ies)
Ministry of Industry and Information Technology
Summary
This standard specifies the product classification, basic parameters, normal working and installation conditions, product information, structure and performance requirements of AC vacuum contactors, specifies the corresponding test methods, and specifies the transportation and storage conditions. This standard is applicable to the manufacture of contactors with an AC frequency of 50Hz and a rated working voltage of 6kV and below.